Today’s Solutions: December 19, 2025

For the first time a solar powered airplane made it across the Pacific Ocean. The Solar Impulse 2 landed successfully in California after taking off from Hawaii 62 hours earlier. The aircraft was supposed to land in Abu Dhabi by the end of last summer, from where it departed, but faced significant delays due to bad weather in China, and after being damaged in Japan, which caused the Solar Impulse to be stalled in Hawaii for 10 months. The team aims to complete the trip around the world at the end of the coming summer.

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